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모바일 JINI를 위한 미들웨이 응용모델 설계 및 구현 원문보기
Design and Implementation of Middleware Application Model for Mobile Jini

  • 저자

    김상태

  • 학위수여기관

    慶北大學校 大學院

  • 학위구분

    국내석사

  • 학과

    정보통신학과 정보통신전공

  • 지도교수

  • 발행년도

    2004

  • 총페이지

    31p.

  • 키워드

    무선전화 모바일 미들웨이;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10046686&outLink=K  

  • 초록

    In recent years the number of small, intelligent devices has increased constantly. Devices like cellular telephones and portable computers have become very common. Often the end-user wants the device to be connected to a network, maybe for using a service provided by another device on the network. The devices on the networks of today are very heterogeneous and it is necessary to standardize the use of network services. Jini-enabled devices can communicate the application level services directly. They can also enjoy the Jini services without any necessary configurations. Since current Jini technology has been designed for the desktop-based environments, lots of technological restrictions are still existed to extend the Jini services to wireless environment. The cellular phone is a natural choice of Client when using a service on a wireless network. It is mobile and often carried with the end-user wherever he or she goes. The problem is that the cellular phones of today are very limited concerning performance. The power of the CPU and the size of memory are simply not enough to provide a full-strength heavy weigh Jini solution to achieve uniform network connectivity between services and Clients. The problem with Jini is that it needs resources such as an almost full strength JVM, which means a quite fast processor and a large memory. Due to that, quite some effort has been made to develop a minimal JVM, like Sun's KVM. Unfortunately their performance is still, as of today, a bit too poor to run Jini. Unfortunately the developers of small JVMs haven't primarily been thinking of Jini when they have limited the features of their JVMs. Sun's KVM lacks some basic features which are essential for Jini. In this paper, a method using surrogate in which Jini service is feasible in the wireless environment is proposed. A couple of Jini applications such as file search service and print service from mobile devices is presented.


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